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KMID : 0379119890170020082
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Korean Journal of Mycology
1989 Volume.17 No. 2 p.82 ~ p.90
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Homologous and Heterologous Antibody Responses of the Patients with Aspergillosis Against Young Mycelia of Aspergilli by Fluorescence Antibody Reaction
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Abstract
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Detection of antibody against pathogenic fungi in serum specimens of the patients with pulmonary tuberculosis or other lung diseases has been carried out(male) using the indirect fluorescence antibody technique and immunodiffusion tests. Immunodiffusion tests revealed that 104(36.5%) out of 285 patients examined showed a positive precipitin reaction against one or more of fungal antigens. The majority of ID positive patients 64(61.5%) reacted with Aspergillus fumigatus antigen and 49(47.1%) patients reacted with Candida albicans antigen ID positive reaction to A. fumigatus was found little more frequently among male patients, while Candida albicans reactors were found more frequently among female patients. Age distribution of ID positive reactors was high(49.1-43.3%) in age group of 40-59 years, but least or none in age group of less than 30 years. Age of fungal mycelium used as antigen did not effect sensitivity of the indirect flubrescence (IF) technique in detecting antibody to A. fumigatus. Antibody class against A. fumigatus that showed highest titer was IgG and thus FITC labeled anti-IgG immunoglobulin shoul be preferable. As relatively large amount of cell wall components of Aspergilli shared antigenically, a considerable cross-reaction was observed among A. fumigates, A. flavus and A. niger, but not much with C albicans. While (IF) has much better sensitivity when compared with ID, relative specificity of the latter procedure cannot to be overried, so that they could be batter used together in order to obtain quantitative measurement of antibody with relative specificity.
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